Patients with hard lumps on the chin with common causes including allergic reactions, enlarged lymph nodes, and sebaceous cysts combined with infections, as follows: 1. Anti-allergic treatment can be carried out by local topical rubbing of glyburide lotion and oral administration of loratadine and other drugs. Most patients’ allergic reactions will gradually improve in 6-8 hours, so that the local lumps slowly absorb and subside; 2, swollen lymph nodes: local lymph nodes with enlargement can also form lumps, swollen lymph nodes are often caused by inflammatory reactions, such as sinusitis, chronic pharyngitis, purulent tonsillitis, oral ulcers, dental ulcers and acute or chronic inflammation of the thyroid gland, may cause the local chin mass formation. After actively controlling the primary infection, the enlarged lymph nodes can gradually improve the symptoms; 3, sebaceous cysts combined with infection: local lumps can also be formed in the chin, which are often accompanied by pain and elevated skin temperature symptoms, and the absorption of the lumps can be promoted by applying topical Ruyi Jinhuang ointment and Bactrim ointment. If the hard lump is more serious and forms an abscess, it needs to be treated by abscess incision and drainage.